package servlets;

import java.io.IOException;
import java.util.Hashtable;

import javax.naming.Context;
import javax.naming.InitialContext;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import java.util.List;
import EJBPackage.RichiestaAiuto;
import ejbSessions.ManagerUtenteRemote;

/**
 * Servlet implementation class RichiesteAiuto
 */
public class RichiesteAiuto extends HttpServlet {
	private static final long serialVersionUID = 1L;
       
    /**
     * @see HttpServlet#HttpServlet()
     */
    public RichiesteAiuto() {
        super();
        // TODO Auto-generated constructor stub
    }

	/**
	 * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		gestisciRichiesta(request, response);
	}

	/**
	 * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		gestisciRichiesta(request, response);
	}

	private void gestisciRichiesta(HttpServletRequest request, HttpServletResponse response){
		int idUtente;
		RequestDispatcher dispatcher = request.getRequestDispatcher("/Utente/RichiesteAiuto.jsp");
		HttpSession session = request.getSession();
		try{
			Hashtable<String,String> env = new Hashtable<String,String>();
			env.put(Context.INITIAL_CONTEXT_FACTORY, "org.jnp.interfaces.NamingContextFactory");
			env.put(Context.PROVIDER_URL,"localhost:1099");
			InitialContext jndiContext = new InitialContext(env);
			Object ref = jndiContext.lookup("ManagerUtente/remote");
			ManagerUtenteRemote manager = (ManagerUtenteRemote)ref;
			idUtente = (Integer)request.getSession().getAttribute("userid");
			
			List<RichiestaAiuto> inoltrate = manager.getRichiesteInoltrate(idUtente);
			List<RichiestaAiuto> ricevute = manager.getRichiesteRicevute(idUtente);
			
			session.setAttribute("inoltrate", inoltrate);
			session.setAttribute("ricevute", ricevute);
		
		}catch(Exception e){
			e.printStackTrace();
			try {
				response.sendRedirect("./");
			} catch (IOException e1) {
				e1.printStackTrace();
			}
		}
		
		try {
			dispatcher.forward(request, response);
		} catch (ServletException e) {
			e.printStackTrace();
		} catch (IOException e) {
			e.printStackTrace();
		} 
	}
	
}
